"Experience is a very personal phenomenon. I have never been able to convey it to someone else, however refined my expression may be. " Hmm ... I think I can assist here. Close your eyes and walk into a coffee table. Now ask a friend to do exactly the same. Prince Philip was asked on landing in Morocco by the local British diplomat how his flight was. Prince Philip - "Have you flown on one of these planes before?" Diplomat - "Why, yes" Prince Philip "Well it was exactly like that".
Without knowing her philosophy, I would say that she follows the path of Pure Land / Tibetan Buddhism which uses visualization in meditation to create a reality of another dimension and in this way prepare the mind for the experience of death as described in The Tibetan Book of the Dead. This is a useful training for understanding our impermanence and developing the mind to operate in spaceless dimensions.